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[DQN] No module named 'ale_python_interface' #1091

JamesBrightman opened this Issue Feb 21, 2019 · 2 comments


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JamesBrightman commented Feb 21, 2019

1. What you did:

I'm trying to use the DQN implementation with Gym. To do this I run

python! --env = BreakoutDeterministic-v4

(as suggested in the readme).

However, it gives this error -

Traceback (most recent call last):
File "./", line 15, in
from atari import AtariPlayer
File "/content/drive/Dissertation/DQN-Tensorpack/", line 11, in
from ale_python_interface import ALEInterface
ModuleNotFoundError: No module named 'ale_python_interface'

I can't seem to find a way to install 'ale_python_interface' on google colab. I don't even want to use ALE, but it seems it is necessary for running the DQN training, even with Gym as it has to reference the file, which contains ALE import.

Any help would be greatly appreciated.

@ppwwyyxx ppwwyyxx closed this in 7b9d9b8 Feb 21, 2019


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ppwwyyxx commented Feb 21, 2019

Thanks for the suggestions. Now ale_python_interface will not be required if you use gym environment.


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JamesBrightman commented Feb 21, 2019

Thanks for the quick change - pulled the master again and all works well.


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